Home / 27,079.13-40,618.70-7,360.60

Finding the Fourth Proportional to 27,079.13, 40,618.70 and 7,360.60

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Solution

The fourth proportional to 27,079.13, 40,618.70 and 7,360.60 is: 11,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.13 : 40,618.70 = 7,360.60 : x
  2. Step 2: Convert to fraction form
    27,079.13/40,618.70 = 7,360.60/x
  3. Step 3: Cross multiply
    27,079.13x = 40,618.70 × 7,360.60
  4. Step 4: Simplify right side
    27,079.13x = 298,978,003.22
  5. Step 5: Solve for x
    x = 298,978,003.22/27,079.13
  6. Step 6: Final answer
    x = 11,040.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.